The break-up of the gas piping, the letting out of liquefied petroleum gas, the bursting of the running water pipe, calamity accident caused in subside of road surface and bridge,etc.

煤气管道破裂、液化石油气泄漏、自来水爆裂、路面桥梁塌陷等引起的灾害事故；

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In recent years, The large-scale open-ended steel pipe piles have been more and more widely applied in large scale deep water docks, Sea-Crossing Bridge Projects.

近年来，在大型深水港码头、跨海大桥工程中，大型开口钢管桩已得到越来越广泛的应用。

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